JA-3_Specifications.pdf

REPAIR ROOF OF ARCTIC SURVIVAL (B3347) ATTACHMENT JA-3

EIELSON AFB, ALASKA TABLE OF CONTENTS

FTQW 16-1023

ADDITIONAL SPECIFICATIONS TABLE OF CONTENTS

SPECIFICATIONS 2

SPECIFICATIONS SECTION 01030 47

SPECIFICATIONS SECTION 075323 88

ADDITIONAL SPECIFICATIONS 105

FA5004-16-B-C004

EIELSON AFB, AK

MASTER PAGE NUMBER 1

ATTACHMENT JA-3

SPECIFICATIONS

FTQW 16-1023

Repair Roof at Arctic Survival (B3347)

354TH CIVIL ENGINEERING SQUADRON

EIELSON AIR FORCE BASE

ALASKA

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TABLE OF CONTENTS

DIVISION 1 – PERFORMANCE REQUIREMENTS

SECTION 01000 - SUMMARY OF WORK

SECTION 01030 – SAFETY, ENVIRONMENTAL PROTECTION, REGULATIONS, AND CODES

SECTION 01700 – CONTRACT CLOSEOUT

DIVISION 2 – SITE WORK

SECTION 02070 – DEMOLITION

DIVISION 5- METALS

SECTION 05090-BASIC MATERIALS AND METHODS

DIVISION 6- WOOD AND PLASTICS

SECTION 06100 - ROUGH CARPENTRY

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

SECTION 07530 - SINGLE-PLY MEMBRANE ROOFING

SECTION 07650 – FLEXIBLE FLASHING

SECTION 07710 - MANUFACTURED ROOF SPECIALTIES

SECTION 07720 - ROOF ACCESSORIES

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DIVISION 1 – PERFORMANCE REQUIREMENTS

SECTION 01000 - SUMMARY OF WORK

1. Scope:

1.1. Work under this contract consists of furnishing all materials, plant and labor to repair by replacement of the existing roofs of building 3347 on Eielson Air Force Base, Alaska under the jurisdiction of the 354th Fighter Wing as describe in accordance with the Statement of

Work. The existing is comprised of composite, Insulated Roof Membrane Assemblies

(IRMA) with associated patch work from previous years overlain by loose lain insulation ballasted by pavers. This is a performance specification. As such, the intent is to not dictate methods as much as to require performance, which is guaranteed by extended warranties.

2. Occupancy:

2.1. Building 3347 will be occupied. The Contractor will schedule and perform work under this contract in such a manner as to allow the occupants of the building to continue their normal activities with the least amount of interference.

3. Scheduling:

3.1. The Contractor will schedule work with the Contracting Officer. No work will be performed prior to the Contracting Officer’s approval of the work schedule.

4. Concurrent Work with Other Contractors:

4.1. Other contractors may be performing work in the general area of work required under this contract. All contractors will be required to cooperate and schedule work in such a way to permit others to perform. If for any reason a dispute arises between contractor personnel or between contractor and government personnel, the Contracting Officer will have the final say as to access and work schedule.

5. Workmanship:

5.1. All work will be performed by certified personnel, as applicable. The Contractor or any sub-contractor they employ will adhere to the standards in the National Roofing Contractors

Association (NRCA) Roofing and Waterproofing manual, fourth edition or later, local and national building codes, and manufacture’s specifications. Some work items on this project will require training that is certified by the roofing manufacturer. All required training and certification costs will be paid for by the Contractor.

5.2. Comply with instructions in full detail, including each step in sequence. Provide accessories recommended by manufacturer for service intended and accessories indicated. Should

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instructions conflict with Contract Documents, request clarification from Contracting

Officer.

6. Quality Control:

6.1. The Contractor will provide Quality Control functions. Also, the Contracting Officer, in consultation with the 354th Civil Engineer Squadron, will accomplish contract inspections.

6.2. Maintain quality control over suppliers, manufacturers, products, services, site conditions, and workmanship to produce Work of specified quality.

6.3. All material, components, products and equipment shall be new, unless otherwise precisely specified or indicated on the Drawings.

6.4. The Contractor shall diligently monitor his construction, all materials and components installed, and his workmanship to ensure a quality final product that is in full compliance with the requirements of these Contract Documents. Any deficiencies observed shall be immediately corrected without action required by the Contracting Officer.

6.5. The Contractor shall replace, repair or correct all defective items or workmanship without additional cost to the Government.

7. Inspections by the Government:

7.1. The Contracting Officer may, at any time, inspect the project without prior notification to the Contractor.

7.2. Inspection of Work or the witnessing of testing of Work by the Government or his representative in no way relieves the Contractor of obligation to perform Work in accordance with requirements of the Contract Documents.

7.3. The Contracting Officer's inspections are not intended nor implied to replace or supplement the Contractor's Quality Control Personnel and Procedures.

7.4. The Contractor shall provide all required assistance to the Contracting Officer in the form of ladders, scaffolding, man-lifts, lighting, etc., to allow him to fully observe or inspect the work. The Contractor shall provide him with all required safety equipment without additional cost to the Government

7.5. The Contractor shall not, nor shall he allow his personnel to, hinder the Contracting Officer in the performance of his duties.

7.6. All material, components, products and equipment are subject to inspection, examination and test by the Contracting Officer during manufacture, fabrication, construction, mixing, blending or application; both on and off the Project Site.

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7.7. All workmanship, materials, components, products or equipment that do not comply with the requirements of the Contract Documents shall be subject to rejection by the Contracting

Officer.

7.8. The Contractor shall, as soon as possible, correct any deficiencies noted by the Contracting

Officer during an inspection, at no additional cost to the Government.

7.9. See Section 01700 – Contract Closeout for requirements specific to Final Inspection.

8. Safety:

8.1. Job Safety: The Corps of Engineers Safety and Health Requirements Manual, EM 385-1-1 and Occupational Safety and Health Act (OSHA) Standards for Construction (Title 29, Code of Federal Regulations Part 1926 and Part 1910 as revised from time to time) requirements will be used for all on the job safety procedures and requirements. When the standards conflict, the strictest one will govern.

8.2. Fire Safety: The Eielson Fire Chief will conduct a fire safety briefing prior to any work on this project. Eielson fire safety regulations will be strictly adhered to. The Contractor shall be responsible for furnishing adequate and proper fire protection for all phases of the contract work. The Contractor shall immediately notify the Base Fire Department for all emergencies (Dial 911 from any Base phone).

8.3. Smoking: Smoking is prohibited in all Air Force facilities. Any smoking materials must be disposed of in an approved manner. At no time will smoking debris be left on the job site.

9. Work Clearance and Welding Permits:

9.1. The Contractor will obtain work clearance permits through the Eielson Civil Engineer

Squadron prior to initiation of any work (AF Form 103). Welding permits will be obtained by the Contractor from the Eielson fire protection flight prior to initiation of any welding or work with open flame.

END OF SECTION 01000

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SECTION 01030 – SAFETY, ENVIRONMENTAL PROTECTION, REGULATIONS,

AND CODES

1. Reference Attached Section 01030: Safety, Environmental Protection, Regulations, and Codes

END OF SECTION 01030

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SECTION 01700 – CONTRACT CLOSEOUT

1. Scope:

1.1. Final Cleaning

1.2. Final Inspection

1.3. Payment

2. Final Cleaning:

1.4. Execute prior to final completion.

1.5. The Contractor shall completely clean, repair, and restore those portions of the project which his work affects and are to be inspected.

1.5.1. Remove all tools, appliances, surplus materials, debris, temporary structures, scaffolding and other material not incorporated in the permanent installation.

1.5.2. Clean site; sweep paved areas, rake clean other surfaces.

1.5.3. Thoroughly sweep and clean all inspection areas.

1.5.4. Remove all temporary labels, tags, and protective wrappings.

1.5.5. Clean roof, gutters, downspouts and drainage systems.

1.6. If the area to be inspected is not properly prepared for inspection, the Contracting Officer may terminate the entire inspection. After the Contractor properly cleans, repairs, and restores the inspection area, a request for a new inspection shall be submitted to the

Contracting Officer.

3. Final Inspection:

3.1. After all work on the project is completed, the Contractor shall request the Contracting

Officer schedule and perform the final inspection. The request for inspection shall be in writing, and the requested date shall not be less than five days after the date of request.

3.2. Prior to inspection:

3.2.1. Clean site as required in FINAL CLEANING.

3.2.2. Deliver to the Contracting Officer required equipment, Drawings, and records.

3.3. During inspection:

3.3.1. Provide complete and operating systems suitable for the season.

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3.3.2. Demonstrate that mechanical and electrical systems perform in accordance with the

Contract Documents. Provide material and personnel required to perform the demonstration.

3.3.3. Provide assistance to inspection personnel required for a complete and thorough inspection.

3.4. At the scheduled time, the Contracting Officer will perform an inspection of the Contractor's work and record any deficiencies on a final punch list.

3.5. The Contractor shall immediately correct these deficiencies at his own expense, then request a re-inspection be scheduled by the Contracting Officer, who will then re-inspect the work to assure correction of all final punch list deficiencies.

3.6. The Contractor shall immediately correct any additional deficiencies discovered during the re-inspection. All deficiencies discovered after the initial re-inspection shall be defined as project warranty work.

3.7. The Contractor shall be liable for all costs of additional inspections if the final punch list deficiencies have not been corrected at the time of the initial re-inspection.

END OF SECTION 01700

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DIVISION 2 – SITE WORK

SECTION 02070 – DEMOLITION

1. Purpose:

1.1 Demolition and removal of selected portions of a building.

2. Definitions:

2.1 Remove: Remove and legally dispose of items except those indicated to be reinstalled, salvaged, or to remain the government’s property.

2.2 Remove and Salvage: Items indicated to be removed and salvaged remain the Government’s property.

2.3 Remove and Reinstall: Remove items indicated; clean, service, and otherwise prepare them for reuse; store and protect against damage. Reinstall items in the same locations or in locations indicated.

2.4 Existing to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by the Contracting Officer, items may be removed to a suitable, protected storage location during selective demolition and then cleaned and reinstalled in their original locations.

3. Material Ownership:

3.1 Except for items or materials indicated to be reused, salvaged, reinstalled, or otherwise indicated to remain the Government’s property, demolished materials shall become the

Contractor's property and shall be removed from the site with further disposition at the

Contractor's option.

4. Submittals:

4.1 Submit each item in this Article according to the Conditions of the Contract unless otherwise indicated.

4.2 Schedule of selective demolition activities indicating the following:

4.2.1 Inventory of items to be removed and salvaged.

4.2.2 Inventory of items to be removed by Government.

4.2.3 Record drawings at Project closeout according to General Conditions of the Contract.

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4.2.4 Eielson Air Force Base Landfill records indicating receipt and acceptance of hazardous wastes by the landfill facility.

5. Quality Assurance:

5.1 Demolition Firm Qualifications: Experience in successfully completed selective demolition work similar to that indicated for this Project.

5.2 Regulatory Requirements: Comply with governing EPA notification regulations before starting selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

6. Project Conditions:

6.1 Government will occupy portions of the building immediately adjacent to selective demolition area. Conduct selective demolition so that Government operations will not be disrupted. Provide not less than 72 hours notice to Government of activities that will affect

Government’s operations.

6.2 Government assumes no responsibility for actual condition of items to be selectively demolished.

6.2.1 Conditions existing at time of inspection for bidding purpose will be maintained by

Government as far as practical.

6.3 Asbestos: The roof system for B1183 is believed to be Asbestos Containing Material (ACM)

Free.

7. Scheduling:

7.1 Arrange selective demolition schedule so as not to interfere with Government’s on-site operations.

8. Demolition:

8.1 Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

8.2 Inventory and record the condition of items to be removed and reinstalled.

8.3 When unanticipated mechanical, electrical, or structural elements that conflict with the intended function or design are encountered, investigate and measure the nature and extent of the conflict. Promptly submit a written report to the Contracting Officer.

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8.4 Perform surveys as the work progresses to detect hazards resulting from selective demolition activities.

9. Safety:

9.1 Remove debris to ensure minimum interference with roads, streets, walks, and other adjacent occupied and used facilities.

9.2 Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from the Contracting Officer. Provide alternate routes around closed or obstructed traffic ways if required by governing regulations.

9.2.1 Erect temporary protection, such as walks, fences, railings, canopies, and covered passageways, where required by authorities having jurisdiction.

9.2.2 Provide temporary weather protection, during interval between demolition and removal of existing construction, on exterior surfaces and new construction to ensure that no water leakage or damage occurs to structure or interior areas.

9.2.3 Protect walls, ceilings, floors, and other existing finish work that are to remain and are exposed during selective demolition operations.

9.2.4 Cover and protect furnishings and equipment that have not been removed.

10. Pollution Control:

10.1 Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

10.2 Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level.

10.3 Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition that existed prior to selective demolition.

10.4 Remove structural framing members and lower to ground by method suitable to avoid free fall and to prevent ground impact or dust generation.

10.5 Promptly dispose of demolished materials. Do not allow demolished materials to accumulate on-site.

END OF SECTION 02070

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DIVISION 5- METALS

SECTION 05090-BASIC MATERIALS AND METHODS

1. Fasteners:

1.1. General: Provide plated fasteners complying with ASTM B 633, Class Fe/Zn 25 for electrodeposited zinc coating, for exterior use or where built into exterior walls. Select fasteners for the type, grade, and class required.

1.2. Bolts and Nuts: Regular hexagon-head bolts, ASTM A 307, Grade A, with hex nuts, ASTM A 563, and, where indicated, flat washers.

1.3. Machine Screws: ANSI B18.6.3.

1.4. Lag Bolts: ANSI B18.2.1.

1.5. Wood Screws: Flat head, carbon steel, ANSI B18.6.1.

1.6. Plain Washers: Round, carbon steel, ANSI B18.22.1.

1.7. Lock Washers: Helical, spring type, carbon steel, ANSI B18.21.1.

1.8. Expansion Anchors: Anchor bolt and sleeve assembly of material indicated below with capability to sustain, without failure, a load equal to 6 times the load imposed when installed in unit masonry and equal to 4 times the load imposed when installed in concrete as determined by testing per ASTM E 488 conducted by a qualified independent testing agency.

1.8.1. Material: Carbon steel components zinc-plated to comply with ASTM B 633, Class

Fe/Zn 5 or Group 1 alloy 304 or 316 stainless-steel bolts and nuts complying with

ASTM F 593 and ASTM F 594, as indicated.

1.9. Toggle Bolts: FS FF-B-588, tumble-wing type, class and style as required.

END OF SECTION 05090

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DIVISION 6- WOOD AND PLASTICS

SECTION 06100 - ROUGH CARPENTRY

1.1 This Section is for carpentry work not specified as part of other Sections and generally not exposed, unless otherwise specified and Includes the following:

1.1.1 Framing.

1.1.2 Framing with engineered wood products.

1.1.3 Rooftop equipment bases and support curbs.

1.1.4 Wood nailers and blocking.

1.1.5 Sheathing.

2. Applicable Publications:

2.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

2.1.1 American Institute of Timber Construction (AITC):AITC-01 (1985) Timber

Construction Manual

2.1.2 American Plywood Association (APA):

2.1.3 APA-01 (1979; Rev. Sep 87) Design/Construction Guide, Residential and

Commercial

2.1.4 APA-PRP-108 (Jun 88) Performance Standards and Policies for Structural-Use

Panels

2.1.5 American Society for Testing and Materials (ASTM):A 307 (1991) Carbon Steel

Bolts and Subs 60,000 PSI Tensile Strength D 226 (1989) Asphalt-Saturated Organic

Felt Used in Roofing and Waterproofing

2.1.6 Department of Commerce (DOC):PS 1 (1983) Construction and Industrial Plywood

2.1.7 American Wood Preservers Association (AWPA):C2 (1987) Lumber, Timbers, Bridges Ties and Mine Ties—Preservative M4 (1991) The Care of Preservative-

Treated Wood Products

2.1.8 American Wood Preservers Bureau (AWPB):LP 2 (1988) Softwood Lumber, Timber and Plywood Pressure Treated with Waterborne Preservatives for Aboveground Use

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2.1.9 Federal Specifications (FS):FF-N-105 (Rev. B; Am. 3; Int. Am. 4) Nails, Brads, Staples and Spikes: Wire, Cut and Wrought

2.1.10 National Forest Products Associations (NFOPA):NFOPA-01 (Nov 91; Supplement;

Errata/Addenda March 92 and Jul 92) National Design Specification for Wood

Construction NFOPA-02 (1988) Manual for Wood Frame Construction

3. Submittals:

3.1 Product data for the following products:

3.1.1 Engineered wood products

3.1.2 Underlayment

3.1.3 Insulating sheathing

3.1.4 Air infiltration barrier

3.1.5 Metal framing anchors

3.1.6 Construction adhesives

4. Quality Assurance:

4.1 Single-Source Responsibility for Engineered Wood Products: Obtain each type of engineered wood products from one source from a single manufacturer.

4.2 Single-Source Responsibility for Fire Retardant Treated Wood: Obtain each type of fire-retardant-treated wood products from one source for both treatment and fire-retardant formulation.

5. Storage and Handling:

5.1 Delivery and Storage: Keep materials under cover and dry. Protect against exposure to weather and contact with damp or wet surfaces. Stack lumber as well as plywood and other panels; provide for air circulation within and around stacks and under temporary coverings including polyethylene and similar materials.

5.2 For lumber and plywood pressure treated with waterborne chemicals, place spacers between each bundle to provide air circulation.

6. General Lumber Considerations:

6.1. Lumber Standards: Furnish lumber manufactured to comply with PS 20 "American

Softwood Lumber Standard" and with applicable grading rules of inspection agencies certified by American Lumber Standards Committee's (ALSC) Board of Review.

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6.2. Nominal and actual sizes are indicated, except as shown by detail dimensions. Provide actual sizes as required by PS 20, for moisture content specified for each use. Where actual sizes are specified they are minimum dressed sizes for dry lumber.

6.3. Provide dressed lumber, S4S, unless otherwise indicated

6.4. Provide lumber with 15 percent maximum moisture content at time of dressing and shipment for sizes 2 inch nominal or less in thickness, unless otherwise indicated.

7. Boards:

7.1 Exposed Boards: Where boards will be exposed in the finished work, provide the following:

7.1.1 Moisture Content: 15 percent maximum, "MC-15" OR KD-15.

7.1.2 Where painted finish is indicated, provide "No. 1 Boards" per SPIB rules, "Select

Merchantable Boards" per WCLIB rules, or "No. 2 Common Boards & Better" per

WWPA rules.

7.2 Concealed Boards: Where boards will be concealed by other work, provide lumber of 19 percent maximum moisture content (S-DRY or KD-19) and of following species and grade:

7.2.1 Southern Pine "No. 2 Boards" per SPIB rules, or any species graded "Construction

Boards" or "No. 3 Common" per WCLIB or WWPA rules.

7.3 Board Sizes: Provide sizes indicated or, if not indicated (for sheathing), provide 1 by 8 inch nominal size boards.

8. Miscellaneous Lumber:

8.1 General: Provide lumber for support or attachment of other construction including rooftop equipment curbs and support bases, cant strips, bucks, nailers, and blocking.

8.2 Moisture content: 19 percent maximum for lumber items not specified to receive wood preservative treatment.

8.3 Grade: "Standard" grade light-framing-size lumber of any species or board-size lumber as required. "No. 3 Common" or "Standard" grade boards per WCLIB or WWPA rules or "No.

2 Boards" per SPIB rules.

9. Concealed Performance Rated Panels:

9.1 General: Where construction panels are indicated for the following concealed types of applications, provide APA Performance-Rated Panels complying with requirements designated under each application for grade designation, span rating, exposure durability classification, edge detail (where applicable), and thickness.

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9.2 Roof Sheathing: APA RATED SHEATHING, conform to DOC PS 1, Grade C-D with exterior glue

9.2.1 Exposure Durability Classification: EXTERIOR.

9.2.2 Exposure Durability Classification: EXPOSURE 1.

9.2.3 Span Rating: As required to suit rafter spacing indicated.

10. Fasteners:

10.1 General: Provide fasteners of size and type indicated that comply with requirements specified in the applicable Nailing Schedule in the appropriate Building Code and Division 5, section 05090, of these specifications.

10.1.1 Where rough carpentry is exposed to weather, in ground contact, or in area of high relative humidity, provide fasteners with a hot-dip zinc coating per ASTM A 153 or of AISI Type 304 stainless steel.

11. Preservative-Treated Wood:

11.1 General: Where lumber or plywood is indicated as preservative- treated wood or is specified herein to be treated, comply with applicable requirements of AWPA Standards C2 (Lumber) and C9 (Plywood). Mark each treated item with the AWPB or SPIB Quality Mark

Requirements.

11.2 Pressure-treat above-ground items with water-borne preservatives to a minimum retention of

0.25 lb/cu. ft. For interior uses, after treatment, kiln-dry lumber and plywood to a maximum moisture content, respectively, of 19 percent and 15 percent. Treat indicated items and the following:

11.2.1 Wood cants, nailers, curbs, equipment support bases, blocking, stripping, and similar members in connection with roofing, flashing, vapor barriers, and waterproofing.

11.2.2 Wood sills, sleepers, blocking, furring, stripping, and similar concealed members in contact with masonry or concrete

11.2.3 Complete fabrication of treated items prior to treatment, where possible. If cut after treatment, coat cut surfaces to comply with AWPA M4. Inspect each piece of lumber or plywood after drying and discard damaged or defective.

12. Underlayment:

12.1 Felt Underlayment: Type I, 36-inch-wide, asphalt-saturated organic felt, complying with

ASTM D 226 (No. 15) or ASTM D 4869.

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12.2 Felt Underlayment: Type II, 36-inch-wide, asphalt-saturated organic felt, complying with

ASTM D 226 (No. 30) or ASTM D 4869.

12.3 Waterproof Underlayment: Minimum 60-mil-thick, self-adhering, polymer-modified, bituminous sheet membrane, complying with ASTM D 1970. Provide primer when recommended by underlayment manufacturer.

12.4 Smooth-Surface Roll Roofing: Organic roofing felt saturated with asphalt and coated on both sides with an asphaltic compound, 36 inches wide, weighing at least 50 lb/square and complying with ASTM D 224, Type II or III.

12.5 Mineral-Surface, Organic-Felt Roll Roofing: Mineral-granular-surfaced, organic-felt-based, asphalt roll roofing, 36 inches wide, complying with ASTM D 249, Type I.

12.6 Mineral-Surface, Glass-Felt Roll Roofing: Mineral-granular-surfaced, glass-felt-based, asphalt roll roofing, 36 inches wide, complying with ASTM D 3909.

13. Fasteners:

13.1 Nails: Aluminum or hot-dip galvanized steel, 0.120-inch-diameter barbed shank, sharp-pointed, conventional roofing nails with a minimum 3/8-inch-diameter head and of sufficient length to penetrate 3/4 inch into solid decking or at least 1/8 inch through plywood sheathing.

13.1.1 Where nails are in contact with flashing, prevent galvanic action by providing nails made from the same metal as that of the flashing.

14. Metal Flashing:

14.1 Sheet Metal Materials: Furnish the following sheet metal materials:

14.1.1 Aluminum Sheets: ASTM B 209, alloy 3003 H14 with mill finish, minimum 22 ga thick, unless otherwise indicated.

14.1.2 Galvanized-Steel Sheets: ASTM A 526, G 90 hot-dip galvanized steel with coating designation according to ASTM A 525, mill phosphatized where indicated for painting; 24ga thick, unless otherwise indicated.

14.2 Metal Drip Edge: Brake-formed sheet metal with at least a 2-inch roof deck flange and a 1-

1/2-inch fascia flange with a 3/8-inch drip at lower edge.

14.3 Open-Valley Metal Flashing: Preformed, inverted "V" profile at center of valley and extending at least 9 inches in each direction from centerline of valley.

14.4 Vent Pipe Flashing:

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14.4.1 Pre-manufactured flashing with a rubber collar.

14.4.2 Lead conforming to ASTM B 749, Type L51121, at least 1/16 inch thick, unless otherwise indicated. Provide lead sleeve sized to slip over and turn down into pipe, soldered to skirt at slope of roof extending at least 4 inches from pipe onto roof.

15. Preparation:

15.1 Examine substrate for compliance with requirements for substrates, installation tolerances, and other conditions affecting performance of asphalt shingles. Do not proceed with installation until unsatisfactory conditions have been corrected.

15.2 Clean substrates of projections and substances detrimental to application. Cover holes or other minor voids in substrate with appropriate concrete, Portland cement-based and or compatible materials, sheet metal flashing secured with non-corrosive roofing fasters.

15.3 Coordinate installation with flashings and other adjoining work to ensure proper sequencing.

Do not install roofing materials until all vent stacks and other penetrations through roof sheathing have been installed, flashed, and are securely fastened against movement.

16. Installation:

16.1 General: Comply with manufacturer's instructions and recommendations but not less than those recommended by most current NRCA Roofing manual.

16.2 Flashing:

16.2.1 Install metal flashing and trim as indicated and according to details and recommendations of "The NRCA Steep Roofing Manual" and ARMA's "Residential

Asphalt Roofing Manual."

END OF SECTION 06100

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DIVISION 7 – THERMAL AND MOISTURE PROTECTION

SECTION 07530 - SINGLE-PLY MEMBRANE ROOFING

1.1 This Section includes the following single-ply membrane roofing systems:

1.1.1 Totally adhered systems.

1.2 The type of single-ply membrane material will be decided by the roofing engineer.

2. Submittals:

2.1 Product data, installation instructions, and general recommendations from manufacturer of single-ply membrane system for types of roofing required. Provide documentation of manufacturer’s assurance that the single-ply membrane system is being installed and used in the proper environment. Include data substantiating that materials comply with requirements.

2.2 Manufacturer's Warranty: Submit executed copy of single-ply membrane manufacturer's

"Limited Service Warranty" signed by an authorized representative of manufacturer.

Warranty Period: see SECTION 07 53 23 (1.8).

2.3 Provide form that was published with product literature as of date of Contract Documents.

Samples of finished roofing sheets, including T-shaped side/end-lap seam. Also include the

2.3.1 Insulation board.

2.4 Shop drawings showing roof configuration, sheet layout, seam locations, colors (as applicable), details at perimeter, layout of tapered insulation materials and special conditions.

2.5 Test data for pullout resistance of fastening systems.

3. Quality Assurance:

3.1 Installer: Engage an experienced Installer that has specialized in installing roofing systems similar to those required for this Project. Installer must be acceptable to or licensed by manufacturer of primary roofing material.

3.2 UL Listing: Provide labeled materials that have been tested and listed by UL in "Building

Materials Directory" or by other nationally recognized testing laboratory for Class A rated materials/system.

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4. Project Conditions:

4.1 Weather: Proceed with roofing work when existing and forecasted weather conditions permit work to be performed in accordance with manufacturers' recommendations and warranty requirements.

4.2 Substrate Conditions: Do not begin roofing installation until substrates have been inspected and are determined to be in satisfactory condition.

5. EPDM Membrane:

5.1 Reference attached Section 07 53 23

6. Miscellaneous Materials:

6.1 Gypsum Board Base: ASTM C 36, Type X, 5/8 inch thick.

6.2 Sheet Seaming System: Manufacturer's standard materials for sealing lapped joints, including edge sealer to cover exposed spliced edges as recommended by membrane manufacturer.

6.3 Cant Strips, Tapered Edge Strips, and Flashing Accessories: Types recommended by membrane manufacturer, including adhesive tapes, flashing cements, and sealants.

6.4 Flashing Material: Manufacturer's standard system compatible with single-ply membrane.

6.5 Slip Sheet: Type recommended by membrane manufacturer for protecting membrane from incompatible substrates.

6.6 Protective Coating: Liquid-applied Hypalon finish coat to apply to exposed membrane in color selected by the Contracting Officer from manufacturer's standard colors.

6.7 Mechanical Fasteners: Metal or plastic plates, caps, battens, accessory components, and fastening devices to suit substrate and as recommended by membrane manufacturer.

6.8 Membrane Adhesive: As recommended by membrane manufacturer for particular substrate and project conditions, formulated to withstand minimum 60-psf uplift force.

6.8.1 Provide adhesives that comply with local requirements limiting amounts of volatile organic compounds.

7. Insulating Material:

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7.1 General: Provide insulating materials to comply with requirements indicated for materials and with referenced standards in sizes to fit applications indicated, selected from manufacturer's standard thickness, widths, and lengths.

7.1.1 Provide tapered boards where indicated for sloping to drain. Fabricate with taper of

1/4 inch per foot, unless otherwise indicated.

7.2 Extruded-Polystyrene Board Insulation: Rigid, cellular, thermal insulation with closed cells and integral high-density skin, complying with ASTM C 578 for Type indicated; with 5-year aged r-values of 5.4 and 5.0 at 40 and 75 deg F, respectively, and as follows:

7.2.1 Type IV, 1.6-pcf minimum density, unless otherwise indicated.

7.2.2 Surface Burning Characteristics: Maximum flame-spread and smoke-developed values of 5 and 165, respectively.

7.3 Molded-Polystyrene Board Insulation: Rigid, cellular, thermal insulation formed by the expansion of polystyrene resin beads or granules in a closed mold to comply with ASTM C

578 for Type indicated and as follows:

7.3.1 Type II, 1.35-pcf minimum density, aged r-value of 4.4 and 4.0 at 40 and 75 deg F, respectively.

7.3.1.1. Surface-Burning Characteristics: Maximum flame-spread and smoke-developed values of 75 and 175, respectively.

7.4 Polyisocyanurate Foam Board: Rigid boards of minimum 2.0 pcf density polyisocyanurate-based foam core, permanently bonded to roofing felt facer sheets. Provide in thickness indicated with minimum aged r value of 5.88, when conditioned per RIC/TIMA Bulletin No.

281-1.

8. Insulation Adhesives:

8.1 Adhesive for Bonding Insulation: Type recommended by insulation manufacturer and complying with fire-resistance requirements.

8.2 Mastic Sealer: Type recommended by insulation manufacturer for bonding edge joints and filling voids.

8.3 Mechanical Anchors: Corrosion-resistant type as recommended by insulation manufacturer for deck type and complying with fire and insurance wind-uplift rating requirements.

8.3.1 Provide system tested and approved for I-60 wind-uplift rating.

9. Preparing Substrate:

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9.1 General: Comply with manufacturers' instructions to prepare substrate to receive single-ply membrane system.

9.2 Verify that penetrations, expansion joints, and blocking are in place and secured and that roof drains are properly clamped into position.

9.3 Install cant strips, flashings, and accessory items as shown and as recommended by

9.4 Prime substrate where recommended by manufacturer of materials being installed.

9.5 On wood board decks to receive bituminous materials, install nailed course of paper slip sheet.

9.6 Prevent compounds from entering and clogging drains and conductors and from spilling or migrating onto surfaces of other work.

10. Installing Insulation:

10.1 General: Extend insulation full thickness in two layers, or in multiple layers over entire surface to be insulated, cutting and fitting tightly around obstructions.

10.1.1 Stagger joints in one direction for each course. For multiple layers, stagger joints in both directions between courses with no gaps.

10.1.2 Provide tapered units to suit drainage pattern indicated.

10.2 Do not install more insulation in a day than can be covered with membrane before end of day or before start of inclement weather.

10.3 Secure roof insulation to substrate with mechanical anchors of type and spacing indicated but in no case provide less than one anchor per 4 sq. ft of surface area or less anchorage than required by FM Loss Prevention Data Sheet 1-28.

10.4 Set insulation units on substrate with mechanical fasteners or spot adhesives and cover immediately with loose membrane for ballasted installation.

10.5 Provide protection sheet between insulation and membrane when recommended by membrane manufacturer.

11. Installing the Membrane:

11.1 General: Install membrane according to manufacturer's guidance to ensure valid warranty.

11.1.1 Cut out and repair membrane defects at the end of each day's work.

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11.2 Fully Adhered Membrane: Install membrane by unrolling over prepared substrate; lapping adjoining sheets as recommended by manufacturer. Apply adhesive to surfaces to be bonded and roll into place when adhesive has properly cured. Treat seams with special adhesive and apply sealant to exposed sheet edges, tapering application as recommended by manufacturer.

Install mechanical fasteners, flashing and accessories at locations and as recommended by

11.2.1 For colored roofing sheet, apply two coats of Hypalon color coat within 30 days of sheet installation according to manufacturer's instructions, applying each coat at rate of 100 sq. ft per gallon.

11.3 Walkway Protection: Install protective runners at locations shown (TBD) and where required for access to roof-mounted equipment. Place protection boards carefully to avoid damage to membrane, laying over an additional layer of roof membrane material, loosely applied, for additional protection.

12. Roof Protection:

12.1 After completing roofing (including associated work), institute appropriate procedures for surveillance and protection of roofing during remainder of construction period. At the end of the construction period, or at a time when remaining construction will in no way affect or endanger roofing, make a final inspection of roofing and prepare a written report to the

Contracting Officer describing nature and extent of deterioration or damage found.

12.2 Repair or replace (as required) deteriorated or defective work found at the time of final inspection to a condition free of damage and deterioration at the time of Substantial

Completion and according to the requirements of the specified warranty.

END OF SECTION 07530

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SECTION 07650 – FLEXIBLE FLASHING

1.1 This Section includes sheet metal flashing and trim in the following categories:

1.1.1 Roof-drainage systems.

1.1.2 Exposed trim, gravel stops, and fascia.

1.1.3 Copings.

1.1.4 Metal flashing.

1.1.5 Reglets.

1.1.6 Roof expansion-joint covers.

1.1.7 Overhead-piping safety pans.

2. Performance Requirements:

2.1 General: Install sheet metal flashing and trim to withstand wind loads, structural movement, thermally induced movement, and exposure to weather without failing.

2.2 Fabricate and install flashings at roof edges to comply with recommendations of FM Loss

Prevention Data Sheet 1-49 for the following wind zone:

2.2.1 Wind Zone 1: Wind pressures of 10 to 20 psf.

3. Submittals:

3.1 Product Data including manufacturer's material and finish data, installation instructions, and general recommendations for each specified flashing material and fabricated product.

3.2 Shop Drawings of each item specified showing layout, profiles, methods of joining, and anchorage details.

3.3 Samples of sheet metal flashing, trim, and accessory items, in the specified finish. Where finish involves normal color and texture variations, include Sample sets composed of 2 or more units showing the full range of variations expected.

3.3.1 8-inch-square samples of specified sheet materials to be exposed as finished surfaces.

4. Quality Assurance:

4.1 Installer Qualifications: Engage an experienced Installer who has completed sheet metal flashing and trim work similar in material, design, and extent to that indicated for this Project and with a record of successful in-service performance.

5. Project Conditions:

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5.1 Coordinate Work of this Section with interfacing and adjoining Work for proper sequencing of each installation. Ensure best possible weather resistance, durability of Work, and protection of materials and finishes.

6. Metals:

6.1 Aluminum: Alloy and temper recommended by aluminum producer and finisher for type of use and finish indicated and with not less than the strength and durability of alloy and temper designated below:

6.1.1 Mill-Finish Aluminum Sheet: ASTM B 209, 3003-H14, with a minimum thickness of 20 ga, unless otherwise indicated.

6.1.2 Anodized Aluminum Sheet: ASTM B 209, 5005-H14, with a minimum thickness of

18 ga.

6.1.3 Factory-Painted Aluminum Sheet: ASTM B 209, 3003-H14, with a minimum thickness of 20 ga, unless otherwise indicated.

6.1.4 Extruded Aluminum: ASTM B 221, alloy 6063-T52, with a minimum thickness of

24 ga for primary legs of extrusions that are anodized, unless otherwise indicated.

6.2 Galvanized Steel Sheet: ASTM A 526, G 90, commercial quality, or ASTM A 527, G 90, lock-forming quality, hot-dip galvanized steel sheet with 0.20 percent copper, mill phosphatized where indicated for painting; not less than 20 ga thick, unless otherwise

6.3 Aluminum-Zinc Alloy-Coated Steel Sheet: ASTM A 792, Class AZ-50 coating, Grade 40 or to suit project conditions, with 55 percent aluminum, not less than 20 ga thick, unless otherwise indicated.

7. Reglets:

7.1 General: Units of type, material, and profile indicated, formed to provide secure interlocking of separate reglet and counter flashing pieces and compatible with flashing indicated.

7.2 Surface-Mounted Type: Provide with slotted holes for fastening to substrate, with neoprene or other suitable weatherproofing washers and with channel for sealant at top edge.

7.3 Stucco Type: Provide with upturned fastening flange and extension leg of length to match thickness of applied finish materials.

7.4 Concrete Type: Provide temporary closure tape to keep reglet free of concrete materials, special fasteners for attaching reglet to concrete forms, and guides to ensure alignment of reglet section ends.

7.5 Masonry Type: Provide with offset top flange for embedment in masonry mortar joint.

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7.6 Flexible Flashing Retainer: Provide resilient plastic or rubber accessory to secure flexible flashing in reglet where clearance does not permit use of standard metal counter flashing or where Drawings show reglet without metal counter flashing.

7.7 Counter flashing Wind-Restraint Clips: Provide clips to be installed before counter flashing to prevent wind uplift of the counter flashing lower edge.

7.7.1 Material: Galvanized steel, 24ga thick.

7.8 Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated in the Work include, but are not limited to, the following:

7.8.1 Fry Reglet Corporation.

7.8.2 Hickman: W.P. Hickman Co.

7.8.3 Keystone Flashing Company.

8. Miscellaneous Materials and Accessories:

8.1 Fasteners: Same metal as sheet metal flashing or other non-corrosive metal as recommended by sheet metal manufacturer. Match finish of exposed heads with material being fastened.

8.2 Asphalt Mastic: SSPC-Paint 12, solvent-type asphalt mastic, nominally free of sulfur and containing no asbestos fibers, compounded for 15-mil dry film thickness per coat.

8.3 Mastic Sealant: Polyisobutylene; non-hardening, non-skinning, nondrying, non-migrating sealant.

8.4 Elastomeric Sealant: Generic type recommended by sheet metal manufacturer and fabricator of components being sealed.

8.5 Epoxy Seam Sealer: 2-part, non-corrosive, aluminum seam-cementing compound, recommended by aluminum manufacturer for exterior and interior non-moving joints, including riveted joints.

8.6 Adhesives: Type recommended by flashing sheet metal manufacturer for waterproof and weather-resistant seaming and adhesive application of flashing sheet metal.

8.7 Paper Slip Sheet: 5-lb/square red rosin, sized building paper conforming to FS UU-B-790, Type I, Style 1b.

8.8 Polyethylene Underlayment: ASTM D 4397, minimum 6-mil-thick black polyethylene film, resistant to decay when tested according to ASTM E 154.

8.9 Metal Accessories: Provide sheet metal clips, straps, anchoring devices, and similar accessory units as required for installation of Work, matching or compatible with material being installed; non-corrosive; size and thickness required for performance.

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8.10 Gutter Screen: 1/4-inch hardware cloth installed in sheet metal frames. Fabricate screen and frame of same basic material as gutters and downspouts.

8.11 Roofing Cement: ASTM D 4586, Type I, asbestos free, asphalt based.

9. Fabrication, General:

9.1 Sheet Metal Fabrication Standard: Fabricate sheet metal flashing and trim to comply with recommendations of SMACNA's "the Contracting Officerural Sheet Metal Manual" that apply to the design, dimensions, metal, and other characteristics of the item indicated.

9.2 Comply with details shown to fabricate sheet metal flashing and trim that fit substrates and result in waterproof and weather-resistant performance once installed. Verify shapes and dimensions of surfaces to be covered before fabricating sheet metal.

9.3 Form exposed sheet metal work that is without excessive oil canning, buckling, and tool marks and that is true to line and levels indicated, with exposed edges folded back to form hems.

9.4 Seams: Fabricate non-moving seams in sheet metal with flat-lock seams. Tin edges to be seamed, form seams, and solder.

9.5 Seams: Fabricate non-moving seams in aluminum with flat-lock seams. Form seams and seal with epoxy seam sealer. Rivet joints for additional strength.

9.6 Expansion Provisions: Space movement joints at maximum of 10 feet with no joints allowed within 24 inches of corner or intersection. Where lapped or bayonet-type expansion provisions in Work cannot be used or would not be sufficiently weatherproof and waterproof, form expansion joints of intermeshing hooked flanges, not less than 1 inch deep, filled with mastic sealant (concealed within joints).

9.7 Sealed Joints: Form non-expansion, but movable, joints in metal to accommodate elastomeric sealant to comply with SMACNA standards.

9.8 Separate metal from non-compatible metal or corrosive substrates by coating concealed surfaces at locations of contact with asphalt mastic or other permanent separation as recommended by manufacturer.

9.9 Conceal fasteners and expansion provisions where possible. Exposed fasteners are not allowed on faces of sheet metal exposed to public view.

9.10 Fabricate cleats and attachment devices from same material as sheet metal component being anchored or from compatible, non-corrosive metal recommended by sheet metal

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9.10.1 Size: As recommended by SMACNA manual or sheet metal manufacturer for application but never less than thickness of metal being secured.

10. Sheet Metal Fabrications:

10.1 General: Fabricate sheet metal items in thickness or weight needed to comply with performance requirements but not less than that listed below for each application and metal.

10.2 Roof-Drain Flashing: Fabricate from the following material:

10.2.1 Stainless Steel: 28ga. thick.

10.3 Scuppers: Fabricate from the following material:

10.3.1 Aluminum: 22ga thick.

10.3.2 Galvanized Steel: 24ga thick.

10.3.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.4 Exposed Trim, Gravel Stops, and Fasciae: Fabricate from the following material:

10.4.1 Aluminum: 18ga thick.

10.4.2 Galvanized Steel: 24ga thick.

10.4.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.5 Copings: Fabricate from the following material:

10.5.1 Aluminum: 18ga thick.

10.5.2 Galvanized Steel: 20ga thick.

10.5.3 Aluminum-Zinc Alloy-Coated Steel: 20ga thick.

10.6 Base Flashing: Fabricate from the following material:

10.6.1 Aluminum: 20ga thick.

10.6.2 Galvanized Steel: 24ga thick.

10.6.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.7 Counter flashing: Fabricate from the following material:

10.7.1 Aluminum: 20ga thick.

10.7.2 Galvanized Steel: 24ga thick.

10.7.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.8 Flashing Receivers: Fabricate from the following material:

10.8.1 Aluminum: 20ga thick.

10.8.2 Galvanized Steel: 24ga thick.

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10.8.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.9 Valley Flashing: Fabricate from the following material:

10.9.1 Stainless Steel: 26ga thick.

10.10 Drip Edges: Fabricate from the following material:

10.10.1 Aluminum: 20ga thick.

10.10.2 Galvanized Steel: 24ga thick.

10.10.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.11 Eave Flashing: Fabricate from the following material:

10.11.1 Aluminum: 22ga thick.

10.11.2 Galvanized Steel: 24ga thick.

10.11.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.12 Equipment Support Flashing: Fabricate from the following material:

10.12.1 Galvanized Steel: 24ga thick.

10.12.2 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.13 Roof-Penetration Flashing: Fabricate from the following material:

10.13.1 Galvanized Steel: 24ga thick.

10.13.2 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.14 Roof Expansion-Joint Cover: Fabricate from the following material:

10.14.1 Aluminum: 20ga thick.

10.14.2 Galvanized Steel: 24ga thick.

10.14.3 Aluminum-Zinc Alloy-Coated Steel: 24ga thick.

10.15 Roof-to-Wall Expansion-Joint Cover: Fabricate from the following material:

10.15.1 Aluminum: 18ga thick.

10.15.2 Galvanized Steel: 20ga thick.

10.15.3 Aluminum-Zinc Alloy-Coated Steel: 20ga thick.

11. Aluminum Extrusion:

11.1 Aluminum Extrusion Units: Fabricate extruded-aluminum running units with formed or extruded-aluminum joint covers for installation behind main members where possible.

Fabricate mitered and welded corner units.

MASTER PAGE NUMBER 30

12. Aluminum Finish:

12.1 General: Comply with Aluminum Association's (AA) "Designation System for Aluminum

Finishes" for finish designations and application recommendations.

12.2 Class I, Color Anodic Finish: AA-C22A42/A44 (Chemical Finish: etched, medium matte;

Anodic Coating: the Contracting Officerural Class I, integrally colored or electrolytically deposited color coating 0.018 mm or thicker) complying with AAMA 606.1 or

AAMA 608.1.

12.2.1 Color: Dark bronze.

12.3 High-Performance Organic Coating Finish: AA-C12C42R1x (Chemical Finish: cleaned with inhibited chemicals; Chemical Finish: acid chromate-fluoride-phosphate conversion coating; Organic Coating: as specified below). Prepare, pretreat, and apply coating to exposed metal surfaces to comply with coating and resin manufacturer's instructions.

12.4 Fluoropolymer 2-Coat Coating System: Manufacturer's standard 2-coat, thermocured system composed of specially formulated inhibitive primer and fluoropolymer color topcoat containing not less than 70 percent polyvinylidene fluoride resin by weight; complying with

AAMA 605.2.

12.4.1 Color and Gloss: As indicated by manufacturer's color and gloss designations.

12.4.2 Color and Gloss: As selected by the Contracting Officer from manufacturer's full range of choices for color and gloss.

13. Inspection:

13.1 Examine substrates and conditions under which sheet metal flashing and trim are to be installed and verify that Work may properly commence. Do not proceed with installation until unsatisfactory conditions have been corrected.

14. Installation:

14.1 General: Unless otherwise indicated, install sheet metal flashing and trim to comply with performance requirements, manufacturer's installation instructions, and SMACNA's "the

Contracting…